Top specs, facts and figures

General info

There is less chance that you will run out of battery during an adventure.

Best

Garmin eTrex 30x

25h

3.thickness

8.9mm

18mm

Best

Becker Revo.2

7mm

4.weight

113.4g

177.2g

Best

Garmin Nuvi 3760T

113.4g

5.resolution

800 x 480px

480 x 272px

Best

TomTom VIA 1605 M

800 x 600px

6.has an external memory slot

Garmin Nuvi 3790LMT

Garmin Nuvi 50LM

The device has a standard memory slot (such as an SD or micro SD card slot) so that you can either extend the internal storage with affordable memory modules or you can retrieve data, such as photographs, easily from a memory card.

Navigation

1.Has route optimizer

Garmin Nuvi 3790LMT

Garmin Nuvi 50LM

If the user has many destinations planned, for example a UPS driver, they can enter in all of the destinations and the GPS will calculate the most efficient route to take, saving time and reducing fuel costs.

2.Has lifetime maps

Garmin Nuvi 3790LMT

Garmin Nuvi 50LM

Users are able to download the latest maps four times per year with no further fees or subscriptions.

3.Has lifetime traffic updates

Garmin Nuvi 3790LMT

Garmin Nuvi 50LM

The device includes a subscription to a lifetime of free traffic updates.

4.Has route avoidance

Garmin Nuvi 3790LMT

Garmin Nuvi 50LM

The device can avoid certain routes depending on the user's preference. For example, if you wish to avoid expensive toll roads then the device can design an alternative route.